经审计的播放验证
每个广告位。每块屏幕。加密验证。
DOOOOH播放证明将硬件遥测、MQTT事件流和自动截图捕获结合成防篡改的交付审计。
DOOOOH_PLAYER_TELEMETRY_LOG
PROTOCOL: V3_SECURE_MQTT•STATUS: VERIFIED_LIVE
// Real-time hardware telemetry record payload (Example)
{
"event_type": "SLOT_PLAYBACK_COMPLETED",
"screen_id": "1chnrPPfWggMRWiCZKJG",
"hardware_fingerprint": "SHA256:8f3c7a9b12...",
"playback_duration_ms": 10000,
"display_resolution": "1920x1080@60Hz",
"luminance_sensor_status": "NORMAL_OUTDOOR_ACTIVE",
"screenshot_audit_hash": "ipfs://QmZ9vY6aB3...",
"verification_state": "CRYPTOGRAPHICALLY_VERIFIED"
}
Telemetry Frequency15-sec Heartbeat
Audit CaptureRandomized Snapshots
Playback Accuracy±5ms Precision
Settlement TriggerAutomated Escrow Release
实时MQTT遥测
每个DOOOOH播放器设备以亚秒分辨率向中央验证引擎流式传输广告位级心跳。
截图审计帧
定期摄像机捕获自动标记时间戳和屏幕标识符以进行视觉确认。
加密哈希链
每个交付事件都使用SHA-256哈希链签名，使事后伪造在数学上不可能。